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Acer Acer –LCD-B&V223HQ
Service Manual
LCD Monitor Acer B&V223HQ
- 0 -
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Table of Contents
Important Safety Notice .........................................................................................01
01 Product Specification ..........................................................................................03
02 Flat Panel Specification .......................................................................................18
03 Exploded Diagram ..............................................................................................37
04 Troubleshooting....................................................................................................39
05 Spare Parts List ...................................................................................................44
06 Schematics and Layouts.......................................................................................45
07 Assembly and Disassembly ................................................................................48
Appendix : User’s manual
Copyright
Copyright 2006 InnoLux Tech. Corp. Ltd
All Rights Reserved
This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any
electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd.
Acer B&V223 HQ Service Manual
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Important Safety Notice
1. Safety precautions
This monitor is manufactured and tested on a ground principle that a user’s safety comes first.
However, improper used or installation may cause damage to the monitor as well as to the user.
Warning:
z This monitor should be operated only at the correct power sources indicated on the label on the
rear of the monitor. If you’re unsure of the power supply in you residence, consult your local dealer
or Power Company.
z Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. This monitor
should only be repaired by a qualified technician.
z Do not remove the monitor cabinet. There are high-voltage parts inside that may cause electric
shock to human bodies.
z Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.
z Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power cable
immediately and consult your closed dealer.
z Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply
non-ammonia based cleaner onto the cloth, not directly onto the class screen.
z Do not place heavy objects on the monitor or power cord.
2. Product safety notice
Many electrical and mechanical parts in this chassis have special safety visual inspections and the
protection afforded by them cannot necessarily be obtained by using replacement components rated
for higher voltage, wattage, etc. Before replacing any of these components read the parts list in this
manual carefully. The use of substitute replacement parts, which do not have the same safety
characteristics as specified in the parts list, may create shock, fire, or other hazards.
3. Service notes
z When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.
z Keep wires away from high voltage, high temperature components and sharp edges.
z Keep wires in their original position so as to reduce interference.
z Adjustment of this product please refers to the user’ manual.
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01 Product Specification
1.
General:
BV223HQ series LCD monitor is designed with a wide screen 21.5” WSXGA+ TFT LCD panel, LVDS interface,
Analog RGB signal input.
It featured with embedded universal AC power supply and audio input. This monitor can support maximum
resolution up to 1920 x 1080@60Hz.
Details in this document DVI referred to is an option function depending on client’s requirement. In our factory,
products should be distinguished by module names.
1.1 Main Features
Maximum resolution : 1920 x 1080 @ 60Hz
Back light system : 4 CCFL (top & bottom edge side)
Pixel pitch : 0.248 (H) x 0.248 (V)
Display area : 476.64(H)x268.11(V) 21.5 inch diagonal
Brightness : ≥240cd/m²
Contrast ratio : Min 600׃1 (20000:1 when ACM on) (1)
Response time (Tr+Tf) : 5ms (2ms for OD model ) (2)
Viewing angle : 170°(H)/ 160°(V), typ (3)
Input interface : Analog (D-sub 15 pin)
Digital Option(DVI-D 24 pin)
Audio system : ≧ 1.5 W + 1.5 W
Power management : Compatible with VESA DPMS
Plug & Play : VESA DDCCI
OSD language : English, French, Spanish, Italian, Deutsch, Simplified Chinese,
Traditional Chinese, Japanese (Dutch, Finnish, Russian depend on sale region)
Universal AC power supply
Note (1)(2)(3): This item spec depend on the LCD panel.
1.2 Accessories
AC Power Cord : 1.8 m. (Black. Cord type depend on sale region)
VGA cable : 1.8 m. (15 pin D-SUB, black cable with blue male connector)
User manual : English (640Mb CD)
Warranty card
DVI cable (option) : 1.8 m. (18+1 pin, black cable with white connector)
Audio cable : 1.8m. (1P 6FT BLACK/GREE)
2.
Operation Specifications
The unit should suffer no visible cosmetic damage and should operate with no degradation in display quality
during exposure to the operating conditions and after exposure to the non-operating conditions, in any
sequence.
2.1 Environmental conditions
2.1.1 Operating:
Temperature range : 0°C to 40°C
Relative humidity : 20% to 90%
2.1.2 Storage
Temperature range : -20°C to 60°C
Humidity range : 10% to 90%
2.1.3 Altitude
note 1
:
note 2
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Operating 10000 ft (Ta=50, t=24h)
Storage 40000 ft (Ta=30, t=24h )
Note 1: Temperature and relative humidity range must be in the area shown as the following figure due to
panel limited
Note 2: Altitude spec must not over panel spec.
Figure 1 Absolute Ratings of Environment
2.2 Safety, EMC, Ergonomics and Compatibility Requirements
cUL, UL, CE, CB, CCC, TUV/EGO,
Safety & EMC
Ergonomics
Compatibility
Power Management
TUV/ISO-13406-2, C-Tick (N214), VCCI, FCC,
CE, CCC, BSMI, C-Tick
TCO99, TCO03
Windows 98/Me/2000, Windows XP, Window
Vista
Energy Star V4
2.3 Electrostatic Discharge Requirements
The subject unit must withstand ±8KV for contact discharge and ±15KV for air discharge of
Electrostatic Discharge and meet the standard of IEC61000-4-2(EN55024). (without
discharge on VGA/DVI/HDMI pin)
2.4 Reliability
The MTBF of this product shall be greater than 40,000 hours excluding the LCD panel. The LCD panel
life which is defined as the time period for the maximum luminance to reduce to 50% of the initial
value is 40,000 hours minimum at the condition of displaying an all WHITE field at mid Brightness
and Contrast settings.
3.
Electrical and Optical Characteristics and Performance
3.1 Main Power Supply
3.1.1 Input characteristics
Items Condition Spec Note
AC Input Voltage range Universal input full range 90~264Vac
AC Input Voltage rating Universal input full range 100~240Vac
AC input frequency range 90~264Vac 47~63Hz
AC input frequency rating 100~240Vac 50~60Hz
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A
AC Input Current
Inrush Current
AC-DC power Efficiency
Note2. Before each test, the buck capacitor need to be discharged.
Before each test, it must be 10 minutes at least after the latest test.
Hot star not component be damaged.
3.1.2 Output characteristics
Items Condition Spec Note
100Vac,cold star,25°C 40A (max)
240Vac,cold star,25°C 60A(max)
DC output full loading ≥75%
100Vac 1.2A(max)
240Vac 0.6A(max)
See Note2
Ripple and Noise
DC Output Voltage
DC output loading capability
Rise Time
Dynamic load change
Hold-up time
Overshoot
Turn on delay time
Power management See Table-1
Note3: Paralleled a 0.1uF ceramic Cap. And 47uF aluminum Cap. Between the end of DC loading side,
Measured band-width=20MHz.
+16V output <560mv
+5V output <150mv
16v loading:0.3A~2.2A
5v loading:0.75A~1.8A
5v
loading:0.04A~1.8
16V loading: 0A
Vcc5V/1.8A,
<50mS
AC input: 100V~240V >10mS
<10%
<2S
Vcc16V:15.2V~18.5V
Vcc5V: 4.75V~5.25V
Vcc16V: 15.2V~20V
Vcc5V: 4.95V~5.45V
Vcc16V/2.2A
See note 3
For system
active
For power
saving or DC
3.1.3 Protection characteristics
off
Protection Condition Spec
OPP(Over Power protection) nominal AC input 60(min)
SCP(short circuit protection)
OVP(Over voltage protection)
OTP(Over temperature
Fuse protection
For 5V output it is must
be shorted before F802
with auto-recovery function
Table-1
Status
Power On on on active ≤ 55W Blue
Power Saving
Power Off -- -- -- < 1W Off
H-sy
nc
V-sy
nc
off on blanked < 2W Orange
on off blanked < 2W Orange
off off blanked < 2W Orange
Video Power LED
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3.2 Backlight
Panel:
Items Specification
Lamp 4 CCFL
Input Voltage 15.2V~18.5V
Input current
On/Off switch level
1.6A (Typ.), 2.2A (Max.)
5.5V≧Von≧ 2.0 V (on)
-0.3v ≤ Voff ≤ 0.8 V (off)
Brightness PWM duty
CCFL operating Voltage
CCFL Current
CCFL startup voltage
Operating frequency 40~80 KHz
Protect delay time
Efficiency ≥70%(with dummy load)
3.3 Brightness output
The test to verify specifications in this section shall be performed under the following standard conditions
unless otherwise noted.
Temperature : 25 ± 5°C
Test pattern : white
Video Resolution : 1680 x 1050
Video input level : 700 mV ± 2%
Warm-up time : 30 minutes
35%~100%
PWM:High=3.3V(3.0~3.6V),Low=0.0V
750Vrms (Typ.),
2.0 mA (min.)(With PWM Dim)
7.0mA (Typ.)
8.0mA (Max.)
≧1700 Vrms (0˚C)
> 1 second
Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall
≥ 250 cd/m2 (as panel spec)
3.4 White balance
The test standard conditions refer to Sec 3.3.(Brightness control is at 100 contrast control is at 50 )
Chromaticity Coordinate
x y
Cool
Warm
User
Mode
9300K 0.283 ± 0.030 0.297 ± 0.030
6500K 0.313 ± 0.030 0.329 ± 0.030
Panel While x Panel While y
3.5 Brightness uniformity
The test standard conditions refer to Sec 3.4.
)(backlight points nine of luminance Min.
)(backlight points nine of luminance Max.
(4)
%≥75
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L/2
4 6
1 2
7
4.
Input / Output Signal Specifications
4.1 Video signals
Analog RGB signal: 0.7Vp-p (Input impedance = 75 Ohm)
Sync: TTL level (Input impedance ≧ 1k Ohm)
5
8
Fig.3
L/10
W/10
3
9
W/2
Positive and negative sync of Separate Horizontal/Vertical Sync
Digital : TMDS Signal: (min) ±200mVpp@24Bit
4.2 Signal Timing
Through D-SUB/DVI connectors, this unit can support FH= 31.5~84 KHz, Fv=56~76Hz, with
maximum pixel clock 165MHz input signal and WSXGA+ output. Modes details as below:
VESA MODES
Horizontal Vertical
Mode Resolution Total
640*480@60Hz 31.469 N 59.941 N 25.175
VGA
SVGA
XGA
VESA
SXGA
640*480@72Hz 37.861 N 72.809 N 31.500
640*480@75Hz 37.500 N 75.000 N 31.500
800*600@56Hz 35.156 P 56.250 P 36.000
800*600@60Hz 37.879 P 60.317 P 40.000
800*600@72Hz 48.077 P 72.188 P 50.000
800*600@75Hz 46.875 P 75.000 P 49.500
1024*768@60Hz 48.363 N 60.004 N 65.000
1024*768@70Hz 56.476 N 70.069 N 75.000
1024*768@75Hz 60.023 P 75.029 P 78.750
1152*864@75Hz 67.500 P 75.000 P 108.000
1280*960@60Hz 60.000 P 60.000 P 108.000
1280*768@75Hz 60.289 N 74.893 P 102.25
1280*1024@60Hz 63.981 P 60.020 P 108.000
1280*1024@75Hz 79.976 P 75.025 P 135.000
Nominal
Frequency
+/-0.5KHz
7
Sync
Polarity
Nominal
Frequency
+/-1Hz
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
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SXGA+
UXGA
WXGA
WXGA+
WSXGA+
WSXGA+
EGA
VGA
SVGA
XGA
1152*870@75Hz 68.681 N 75.062 N 100.00
XGA
1400x1050@60Hz 65.317 N 59.978 N 121.75
1600*1200@60Hz 75.000 P 60.000 P 162.000
1360*768@60Hz 47.712 P 60.015 P 85.5
1280x800@60Hz 49.702 59.81 83.5
1440*900(Red)@60Hz 55.469 P 59.901 N 88.75
1680*1050@60Hz 65.290 N 59.954 N 146.250
1920*1080@60Hz 67.500 P 60 P 148.5
IBM MODES
640*350@70Hz 31.469 P 70.087 N 25.175
720x400@70Hz 31.469 N 70.087 P 28.322
MAC MODES
640*480@66.7Hz 35.000 P 66.667 P 30.240
832*624@75Hz 49.725 N 74.550 N 57.283
1024*768@75Hz 60.241 N 74.927 N 80.000
Other MODES
1024*768@72Hz 57.669 N 72.086 N 78.434
Note: 1. Non-interlace signals only (An interlace signal cannot be display)
2. Please refer to F/W specification for more detail
3. Each frequency of Power Macintosh and Sun Ultra is a reference value
4.3 Timing requirements
The LCD monitor must be capable of displaying standard resolutions within the vertical frequency range of
56 ~ 75 Hz and the horizontal scan range of 31.5 ~ 84 KHz with maximum pixel clock of 170MHz.
Vertical / Horizontal Sync polarity: positive or negative.
If input signal is out of range of horizontal 31.5~84 KHz or vertical 56-76Hz, or pixel clock large than 165MHz,
message “Input Not Supported” is shown on screen.
4.4 DDC date
V223HQ Analog
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 FF FF FF FF FF FF 00 04 72 70 00 00 00 00 00
0
00 00 01 03 08 2F 1E 78 EA DE 95 A3 54 4C 99 26
1
0F 50 54 BF EF 90 A9 40 71 4F 81 40 8B C0 95 00
2
95 0F 90 40 B3 00 02 3A 80 18 71 38 2D 40 58 2C
3
45 00 DD 0C 11 00 00 1F 00 00 00 FD 00 38 4B 1F
4
54 11 00 0A 20 20 20 20 20 20 00 00 00 FF 00 30
5
30 30 30 30 30 30 30 30 30 30 30 0A 00 00 00 FC
6
00 56 32 32 33 48 51 0A 20 20 20 20 20 20 00 5F
7
V223HQ DVI
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 FF FF FF FF FF FF 00 04 72 70 00 00 00 00 00
0
00 00 01 03 80 2F 1E 78 EA DE 95 A3 54 4C 99 26
1
0F 50 54 BF EF 90 A9 40 71 4F 81 40 8B C0 95 00
2
95 0F 90 40 B3 00 02 3A 80 18 71 38 2D 40 58 2C
3
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45 00 DD 0C 11 00 00 1F 00 00 00 FD 00 38 4B 1F
4
54 11 00 0A 20 20 20 20 20 20 00 00 00 FF 00 30
5
30 30 30 30 30 30 30 30 30 30 30 0A 00 00 00 FC
6
00 56 32 32 33 48 51 0A 20 20 20 20 20 20 00 E7
7
B223 Analog
B223 Analog
V223W A Analog(OD)
V223W A DVI(OD)
B223W A Analog(OD)
B223W A DVI(OD)
4.5 Audio signal
Items Specification
Input impedance
Frequency response range
Signal to noise ratio
Output power
5.
Function Specifications
All the tests to verify specifications in this section shall be performed under the following standard conditions
unless otherwise noted. The standard conditions are:
Temperature : 25 ± 5°C
Warm-up time : 30 minutes minimum
Checking display modes : All the specified modes
5.1 Panel general specifications
5.1.1 General specifications
Supplier AUO
Model name M215HW01 V0
≧ 10K ohm
200Hz – 10kHz
≧ 40 dB
≧ 1.5 W + 1.5 W ( 10%THD )
Display Area 476.64(H)x268.11(V) mm
Pixel Pitch 0.248 x 0.248 mm
Display Colors: 16.7 Million (RGB 8-bit data)
Number of Pixel 1920x1080 pixels
Pixel Arrangement RGB vertical stripe
Brightness 300cd/m2 (Typ.) 240cd/m2 (Min.)
Contrast Ratio 1000:1 (Typ.), 600:1(Min)
Viewing Angle Hor:170°, Ver: 160°(Typ, CR>10)
Brightness Uniformity
Display Mode Normally White
Response
Time(Tr+Tf)
Min/Max≧0.75
5ms (Typ.), 8ms (Max.)
Surface Treatment Anti-glare, Hard coating (3H)
Lamp 4 CCFL
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Control
i
T
Notes: Other second source panel please refer to the panel specifications.
5.1.2 LCD module defects
LCD module defects check follows IIS. Details refer to panel approval sheet.
Keypad Function
5.1.3
Control buttons
A. When OSD un-displays, press [AUTO] to perform auto-adjustment
[AUTO]
[MENU]
[►], [◄]
[e Color ]
B. When OSD displays, press [AUTO] to return to previous level menu
C. When “e Color OSD” OSD displays, press [AUTO] to exit the OSD
A. When OSD isn’t shown on screen, press [MENU] to enter OSD interface.The OSD
interface uses “ACER eColor Management” and “User” to instead “Contrast” and
“Brightness” separately.When press “ACER eColor Management” to show “e Color
OSD”,and press “User” to show OSD interface before. The translations of “ACER
eColor Management” and “User” are always English.
B. When OSD displays, press [MENU] to perform function of menu icon that is
highlight or enter next level menu
A. When “MENU OSD” displays, press these keys to change the contents of an
adjustment item, or change an adjustment value
B. When “MENU OSD” un-displays, if it is with audio, press [►] to show “Audio” OSD
and increase the volume, press [◄] to show “Audio” OSD and decrease the
volume; else it has no use to press these keys.
A. When OSD un-displays, press [e Color] to show “e Color OSD”,and press again
the OSD can not disappear,but the time of “e Color OSD”disappearing is reseted
10 second again.
B.When OSD disappear not including “e Color OSD”,press [e Color] to show “e Color
OSD” OSD,the OSD before disappears,but the parameters of it should be saved
[POWER] Power on or power off the monitor
Hot Key Operation
5.1.4
FUNCTION
FACTORY
MODE
5.2 OSD Structure
The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote
control unit. The unit shall leave the factory with all OSD controls set to their
default values.
First Second Third
Brightnes
s
HOT KEY OPERATION
e Color AUTO MENU ◄ ► POWER
● ON
mpower
ACER eColor
Management
User
e
ng
echnolo
Contrast
---
0 ~ 100
DESCRIPTION
Press [e Color] and then press [POWER]
for DC power on. OSD menu will be
shown with “F” on the left top. Select “F”
for entering factory mode.
Default Value
Standard mode
User mode
50
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NO-EME
S
i
I
Image
Position
Color
Languag
e
OSD
Input
(Dual)
nput
(Analg
Focus
Clock
H. Position
V. Position
Warm (6500K)
Cool (9300K)
User
English English
Deutsch Deutsch
Español Español
简体中文
繁體中文
Français Français
Italiano Italiano
日本語
H. Position
V. Position
OSD Timeout
Analog
Digital
DDC/CI ON/OFF
DDC/CI ON/OFF
Hollands
Русский
EMEA
uomala
Brightnes
s
---
---
---
---
--- ---
--- ---
Red
Green
Blue
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
---
---
---
--- --- ---
--- --- -- ON
ON
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100
0 ~ 100 50
0 ~ 100 50
10~ 120 20
Text mode 50
Standard
Graphics
Movie mode 56
User mode
Text mode 44
Standard
Graphics
Movie mode 77
Depend on each
50 ○1
50
50
80
80
80
English
50
60
77
77
97
Resolution
H. Freq
Info
Reset
Exit
V. Freq
Analog/Digital
S/N
--- --- --- ---
--- --- --- ---
Notes; ○1 Clock default 50 is for Visa timing. Others depend on timing.
--- --- ---
--- --- ---
--- --- ---
--- --- ---
ET000….0000(22)
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6. SOP of firmware upgrade
6.1 Operational condition:
Equipment: PC, ISP card, signal cable and power cable.
ESD requirements: antistatic wrists, antistatic gloves (fingers), and connecting cable
Name of ISP program: ISP_Tool_v3.7.5.3
Manufacture of FW IC：PMC/SST/MX
6.2 Operational steps:
1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state.
2. Adjust ISP programming
Firstly, double click ISP_Tool_v3.7.5EXEI and open ISP program, then select “Device”, next select
manufacturer model of FW IC, which should be correspondent with that of PCBA FW IC. Double click
Figure One.
One port of ISP
program card
is connected to
PC print port.
FW IC
Model
Secondly﹐download FW software: first select “READ”, and then load FW software in Rooter
(Fig.2).
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FW software
rooter
Software
Checksum
Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3.
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Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There
will be prompting if programming is OK.
Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM
DEVICE SETTING”
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prog
g
After connecting, AC ON,
DC ON
OK
Open ISP program
OK
Choose manufacturer
and model of FW IC
OK
LOAD FW software
OK
Click Connect and enter
ISP MODE
OK
◆Flowing chart
Click AUTO and RUN for
beginning programming
OK
Turn off power if
ramming is OK
Choose Config
and adjust
programmin
NG
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02. Flat Panel Specification
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03 Exploded Diagram
3.1 Screw List
3.1 LE21M4(V223HQ) Screw List
Item Part No. Description Qty
509216608110R SCREW,F,CROSS,M4*8,Zn,
1
509000000700
2
R
509412610500R SCREW,B,CROSS,T.T-4*10,BLK ,RO
3
509146306200R SCREW,P,CROSS,W/WAS,M3*6,Zn-
4
ROHS(NYLOK,35F)
BOLT,#4-40x11.8,Ni ROHS 4 4.0±0.25 For D-SUB CON&DVI
HS
Cc
3.2 LE21M3(B223HQ) Screw List
Item Part No. Description Qty
1 509116612102R
2 509000000700R BOLT,#4-40x11.8,Ni ROHS 4 4.0±0.25 For D-SUB CON&DVI
SCREW,B,CROSS,M4*12,BLK-Zn,R
OHS(NYLOK)
Fixed
Remark
T(kg*cm)
4 12±0.5 For hinge to backcover
2 8.5±0.5 For Hinge to Stand
7 6.5±0.5 For NVBD/PWRBD
Fixed
Remark
T(kg*cm)
4 12±0.5 For stand to backcover
3 509146306200R
SCREW,P,CROSS,W/WAS,M3*6,Zn-
Cc
7 6.5±0.5 For NVBD/PWRBD
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3.2. LCD Exploded drawing (B223HQ )
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3.2. LCD Exploded drawing (V223HQ )
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04 Troubleshooting
1. No Power & LED Off
Unstable power
Check sampling
Circuit
Check the R pin
voltage of IC803
about 2.5V
Check R822, R823,
R824, R825
Check the C pin
voltage of IC803
if 3V
Check R832
Change R822, R823,
R824, R825
Change
IC803
Check pin2 of
IC802 voltage is
3V
Check pin1 of
IC802 voltage
below 1.1 V
END
Check R818, D804,
C807 if short
Change R818,
D804,
Change R808, R 809,
R810, R 811, R812,
R814,Q803
C807
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Acer Acer –LCD-B&V223HQ
2. No raster
No back ligh t
Yes
LED lamp is OK
Yes
Is there 16V voltage on
pin3,4 of T501,T502
Yes
Is there PWM signal on
pin4 of IC501
Yes
Is there High level voltage
on pin10 of IC501
Yes
No
No
No Ch eck I/F BD
No Ch eck I/F B D
No power supply to
inverter
U501, U502 fail No
Yes
Check the cable that from
I/F BD to P/I BD is ok
C heck power
supp ly
R eplace U 50 1,U 5 02Yes
Vsense voltage is 2.9V
No
A re there PW M signal on p in1 ,
pin15 of IC501
Yes
Pin 5 of IC501 voltage is
Low level
NO
Pin 3 of IC501 voltage is high
level voltage
Yes
No IC 501 failu re
Yes Yes
Yes IC501 protected Yes
Lamp connector
opened
Feed back circu it
fai lure
Yes
Check C524,R528, R533,
D507
Check D505, D511,
D 512 , D 51 3, R520 , C5 20
EN D
36
Page 38
Acer Acer –LCD-B&V223HQ
3.Black screen
Black screen
Check power
supply:pin 1,2 of
CN102
YES
Check power supply
for U105
YES
Check reset (pin108)
of U105
YES
NG
Power fail
NG
Check U101&U102
PIN2
NG
Check C164,R175
Check crystal (pin
127,128) waveform of
U105
YES
Check CCFL-
Enable(pin109)
of U105
NG
U105 FAIL
NG
YES
37
Check
X101,C157,C158
Inverter Fail
Page 39
Acer Acer –LCD-B&V223HQ
5. White screen
White sc r een
OK
LVDS Cable
Reinsert
NG
OK
Change
LVDSCable
Workmanship
LVDS cable NG
NG
Check VLCD
is 5V
NG
Check Panel-Enable of
U105(pin73)
OK
Check
Q101,Q102,Q104,
OK OK
Check LVDS
signal
NG
U105 Fail
NG
Panel Fail
END
38
Page 40
Acer Acer –LCD-B&V223HQ
6. Bad screen
Bad Scr een
OK
LVDS Cable
Wor k manship
Rei nse r t
NG
OK
Change LVDS
LVDS Cabl e NG
Cabl e
NG
U105 Fai l
39
Page 41
Acer Acer –LCD-B&V223HQ
0
05 Spare parts List
OEM PART NO DESCRIPTION
791411401610R PCBA,P/I BOARD,W/SPK,LE22D2-612 ROHS
792271300700R PCBA,I/F BOARD(EMEA,W/SPK),LE21M4-712 RO
791401500000R PCBA,KEYPAD BOARD,LE9D0-612 ROHS
453070801190R PWRCORD 16A/250V BLK 6FT VDE/KTL H05VV-F
453010100380R CABLE,D-SUB 15P MALE 6FT BLACK/BLUE, ROH
453030300120R CABLE AUDIO 1P 6FT BLACK/GREEN CP03B06P
453030300370R CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS
430300801700R HRN ASSY 2x4P 100mm UL1571#28,ROHS
430300802430R HRN ASSY 2x4P to 8P 245mm UL1571#28
430303002130R HRN LVDS FFC 30P 228mm W/CORE
8211M371A120R
NA
1
1
1
1
1
1
1
1
1
1
714050020403R ASSY,BACK,COVER,AUO,W/DVI AUDIO ,LE21M3
714030021501R ASSY,BEZEL,FRONT,BLACK,LE21M3
714011203001R ASSY, STAND, B173 H
714000005300R ASSY,SWIVEL,LE17K0
701000012803R ASSY,CHASSIS,AUO,W/DVI AUDIO, LE21M3
631102220540R LCP 21.5"M215HW01-V0-00(A)(AUO)ROHS
1
1
1
1
1
1
40
Page 42
Acer Acer –LCD-B&V223HQ
06 Schematics and Layouts
6.1 PI BD Layout
41
Page 43
Acer Acer –LCD-B&V223HQ
6.2 PI BD Layout
42
Page 44
Acer Acer –LCD-B&V223HQ
6.2 IF BD Layout
43
Page 45
Acer Acer –LCD-B&V223HQ
44
Page 46
5
4
3
R827
10
C815
1000p/500V
2
1
DC 380V Max.
R805
D D
2
AC 264V RMS
C C
R801
330K
AC 264V RMS
B B
F801
2.5A/250V
D801
BL4-06
1
-+
4
4 1
3 2
R802
330K
R803 330K
C803
0.47/275V
RT801
NTC 5R
3
L801
20mH
C804
+
150u/450V
AC 264V RMS AC 264V RMS
R809
3M
R810
3M
R811
3M
C811
2.2u/50V
R806
82K
R812
330K 1%
C810
0.1/50V
C812
100P/50V
R819
100K 1%
R807
82K
R818
1M 1%
OVP
BNO
8
1
C827
470p/50V
R808
82K
VCC
7
LD7522
IC802
345
GND
(-)LATCH
0R2 1W
+
C807
10u/35V
6
OUT
CS
2
COMP
C813
1000p/50V
D804
FR103
R816
1K
C814
100p/50V
P6KE150A
Q804
AP2761I
R813
10R
ZD802
C805
2200p/400V
C806
4700p/400V
D802
MUR1100ERL
DC 650V Max
23
1
R814
R815
10K
0R43 2W
FB801
120Ω 3A
DC 650V Max
C808
100p/1KV
T801
SPW-100
1
2
3
4
5
C828
2200p/400V
3
10
7
6
9
8
LTV817M
IC801
D803 SP10100C
1
3
R828
10
D805 SP1040C /NC
1
3
1
3
D806 SP1040C
14
2
2
C816
1000p/500V
2
2
C820
1000u/10V
R832
470Ω 1%
R820
4K7 1%
D807
1N4148
+
C809
10u/35V
+
+
C817
C818
1000u/25V
680u/25V /NC
C823
1000u/10V /NC
R833
10K
+
+
C821
0.47/100V
C
R
IC803
A
TLV431ALP
5uH
L802
C819
470u/25V
5uH
L803
C824
470u/10V
R826 NC
+
+
R821
2K2 1%
ZD801
13V
R830
200
C822
0.1/50V
R822
15K4 1%
R823
100k 1%
R824
10K 1%
3
R825 82K 1%
R829 10K
C826
0.1/50V
R831
100Ω 1W
2
1
F802
5A/35V
+16V 3,4
Q801
2PC1815GR
VCC5V
3
C801
1000p/400V
SW801
SW DPST
A A
1 2 3
L
P801
AC_SKT
C802
1000p/400V
N
5
CN801
1
2
3
4
5
6
7
8
9
10
11
12
12P 2.0mm
VCC5V
C825 0.1/50V
ON/OFF
TO SCALER BD CN101
ON/OFF 3
BRIGHTNESS 3
VOLUME 4
MUTE 4
HDMI_Audio_L 4
HDMI_Audio_R 4
PC_HDMI_SWT 4
4
InnoLux
Document Number : SIZE :
B223W
APPRO BY :
A4
TITLE :
POWER SUPPLY
DATE :
SHEET OF
3
2008-01-23
2
Rev :
V0152
CHECK BY :
DRAWN BY :
1
Page 47
5
4
3
2
1
+16V2,4
R505
C526
NC
5V
C508
NC
op1
op2
33
C505
1000p/50V
6
4
3
1
R530
33
C522
1000p/50V
6
4
3
1
T501
SPW-080
T502
SPW-080
7
C506
12p/3KV
8
C509
3p/3KV
C513
390p/50V
7
C523
12p/3KV
8
C528
3p/3KV
C525
390p/50V
1M5 3KV
R510
2K 1%
3
C514
3900p/50V
R525
1M5 3KV
R531
2K 1%
3
C527
3900p/50V
R506
InnoLux
Document Number : SIZE :
TITLE :
Inverter B223W
R540
22K 1%
2
D503
BAV99
1
D508 BAV99
3
R541
22K 1%
2
1
D509
BAV99
1 2
2
1
Customdoc
3
D502
BAV99
R521
470
3
D504
BAV99
IS1
C530
2200p/50V
R529
470
3
D507
BAV99
IS2
C524
2200p/50V
APPRO BY :
CHECK BY :
C504
1000p/50V
+
C531
470u/25VC507
1000p/50V
R520
30K 1%
D511
SN4148
D512
SN4148
R504
33
81
7
6
54
R532
33
C529
81
7
6
54
C501
R519
1M
C521 220p/50V
470u/25V
2
3
2
3
U501
AP9971GD
+16V2,4
U502
AP9971GD
C502
2.2u/25V
D D
C520
IS1
IS2
C516 1000p/50V
5V
C515
2.2u/16V
C519
0.1/50V
R507
3M3 1%
R535 33
C511 0.047/25V
R516 604K 1%
R526
1M
R508
43K 1%
C512 270p/50V
D505
SN4148
R517 33
VCC5V2
C503
NC
R522
200K
2.2u/16V
C C
BRIGHTNESS2
B B
ON/OFF2
A A
R512
10K
R501
10K
C510
1000p/50V
R542
200K
R518
470K 1%
R513
68K 1%
R515
1M 1%
C518
0.01/50V
1
DRV1
2
VDDA
3
DIM
4
ISEN
5
PID
6
RSTR
7
RT
8 9
ENA VSEN
IC501
INL837
R539
5K1 1%
D506
BAT54
C517
6800p/50V
SSTCMP
R537
10K 1%
3
R538
10K 1%
DRV2
GNDA
TIMER
LCT
OVPT
R534 33
CT
1
2
16
15
14
13
12
11
10
0.1/50V
op1
op2
R524
910
1
2
R527
910
1
2
1
2
1
2
1
2
1
2
R528
820 1%
H
L
H
L
R523
820 1%
H
L
H
L
CN501
4100-D02
CN502
4100-D02
R536
6K8 1%
CN503
4100-D02
CN504
4100-D02
R533
6K8 1%
DATE :
SHEET OF
5
4
3
2008-01-23
2
Rev :
V0153
DRAWN BY :
1
Page 48
5
4
3
+16V
2
1
C702
+
C708 470u/16V
R706 1K
PC_HDMI_SWT 2
+16V 2,3
+
R707 1K
C716
0.1/16V
R726 20K
R727 20K
VCC5V
C705220u/16V
+
C707220u/16V
VCC5V 2,3
R723 20K
R720 20K
Left_in
Right_in
HDMI_Audio_L 2
Pin6(1B1) HDMI
Audio L input
HDMI_Audio_R 2
Pin4(2B1) HDMI
Audio R input
Left_Out
Right_Out
0
2
J708
R730
1
FB702 FERR BEAD/NC
P702
1
13a
13a
4a
12a
3
2
12
4
13
ST-510
CN701
4
3
2
1
4P 2.0mm 90°
+
C703
470u/25V
12
14
7
2
4
C709 0.1/50V
R716
3K3
VCC5V+16V
+
C720
100u/16V
C719 0.1/50V
Pin10,13 Connect to MCU GPIO
to Switch PC_HDMI_Audio
13
VS
VAROUT_R
VAROUT_L
GND
GND
11
15
VCC
VCC
OUTL
OUTR
SVR
1S
1B1
2S
2B1
NC
0.1/50V
U701
TDA8496SA
14
13
12
11
10
9
8
R701
Q704
1
10K
R702
D702
10K
ESD
1 2
C714
10u/16V
32
10K
R719
1
VCC5V VCC5V
R721 20K
20K
R724
R725
R722 20K
20K
VCC5V
R708 4K7
R711 5K6
32
Q701
PMBT3904
+
C701 10u/25V
Pin9(1B0) PC
Audio L input
Pin1(2B0)
PC Audio R
input
C704 0.47/16V
C706 0.47/16V
C710 4700p/50V
C711 4700p/50V
R710 10K
R709 10K
6
5
INL
NC
1
INR
8
S_GND
10
MUTE
9
STBY
3
VOLUME
Line_L
U702
1
1A
2
GND
3
1B0
4
2A
5
GND
6
2B0
7
NC
FSA2257
Line_R
R704
47K
32
Q703
PMBT3904
VOLUME2
Line_L
Line_R
R717 10K
R703 10K
Q702
1
PMBT3904
R718
1K
Line_L
R728 0
0
R729
Line_R
D701
ESD
1 2
R7155K1
32
C715
PMBT3904
+
220u/16V
R712 5K6
R713 100
C7171u/16V
C7181u/16V
D D
FB701
600Ω
+16V
R705
30K
R714
30K
1
PC_Line_R
2
3
4
PC_Line_L
5
1
P701
AUDIO IN
MUTE2
C C
B B
A A
Document Number : SIZE :
Customdoc
TITLE :
Audio_ BV223W
DATE :
5
4
3
SHEET OF
2007-12-12
Rev :
2
54
APPRO BY :
CHECK BY :
DRAWN BY :
V01
1
InnoLux
Page 49
5
4
3
2
1
Pin Define
IF CN102
2x4p 2.0mm 180degree
D D
C C
1
3
4
5
6
7
CN301
1 2
3 4
5 6
7 8
2x4P 2.0mm
CON CN301
2x4p 2.0mm 180degree
2
1
4
3
6
5
8
CON CN302
2x4p 2.0mm 90degree
1
2
3
4
5
6
7
88
From IF BD
KEYPD CON
1x8p 1.25mm180degree
8
72
6
5
4
3
2
17
MENU
Auto
LED_A
LED_G
CN302
1 2
3 4
5 6
7 8
2x4P 2.0mm
To Keypad
RIGHT&Left
E-color
GND
POWER
B B
InnoLux
Document Number : SIZE :
Adoc
TITLE :
A A
DATE :
SHEET OF
5
4
3
Connector_ BV223W
2007-12-12
55
2
Rev :
V01
APPRO BY :
CHECK BY :
DRAWN BY :
1
Page 50
Acer Acer –LCD-B&V223HQ
7.0 Assembly and Disassembly
Sequence Item Photo Procedures P/N Description
(1).Take panel out of box and place it on
the foam.
S1
Place
panel
(2).Tear open the PE bag and put it in
the designated carton.
(3).Place panel on the foam like the
attached picture.
Remark:Do not touch the lamp cord and
place the surface of panel downsides on
the cushion.
631102220540R
LCP
21.5"M215HW0
1-V000(A)(AUO)ROH
S
1.Check if the keypad and relevent wire
you choose are OK.
2.Insert the wire into the keypad like the
Picture
S2
Insert
Keypay's
wrie
conductive
1.Check if there is any lacquer missed or
S3
Fix front
bezel
sctratch happened to the front bezel.
2.Insert the fixed keypad into the front
bezel as picture
45
430300802430R
714030021501R
HRN ASSY
2x4P to 8P
245mm
UL1571#28
ASSY,BEZEL,F
RONT,BLACK,L
E21M3
Page 51
Acer Acer –LCD-B&V223HQ
p
Assembly and Disassembly (continue)
1.Reverse the panel by 180 degree,put
the surface of panel upsides and insert
front bezel in the panel.
2.Reverse the panel by 180 degree using
both hands,put the surface of panel
downsides and make sure FFC interface
is closer to operator.
3.Paste tinfoil on the position which refers
to attached picture,in order to cover the
gap in the panel completely.
Remark:Make sure the fixed job is
finished properly and lamp wire is closer
to right hand;Make the tinfoil smooth in
the corner of
anel.
714030021501R
ASSY,BEZEL,F
RONT,BLACK,L
E21M3
S4
Assemble
front
bezel
conductiv
e cotton
Place the chassis on the cushion after
check,like the attached Picture1.
Insert powerboard into the designated
location of chassis ,like the attached
Picture
S5
S6
Fix
chassis
&powebo
ard
Fix
chassis
&powebo
ard
46
701000012803R
791411401610R
ASSY,CHASSIS
,AUO,W/DVI
AUDIO, LE21M3
PCBA,P/I
BOARD,W/SPK,
LE22D2-612
ROHS
Page 52
Acer Acer –LCD-B&V223HQ
Assembly and Disassembly (continue)
(1).Insert FFC wire into its relevant
S7
Fix
mainboar
d
interface of mainboard properly like
attached picture1.
(2).Insert the short keypad into its
relevant interface like picture1.
(2).Put the fixed mainboard in the right
position.
792271300700R
PCBA,I/F
BOARD(EMEA,
W/SPK),LE21M
4-712 RO
S8
Connect
mainboar
d&powerb
oard
Connent powerboard with the relevant
PIN in the mainboard like the attached
Picture
Twist
S9
PCBA
Handle electric opener and one pcs of
M3*6 screw
screw
47
430300801700R
HRN ASSY
2x4P 100mm
UL1571#28,RO
HS
Page 53
Acer Acer –LCD-B&V223HQ
Assembly and Disassembly (continue)
3
S10
S11
Twist
PCBA
screw
Twist
Hexagonal
screws
5
Fix 5 pcs of screws separately on the
poweboard and mainboard like the
attached Picture1
2
4
(1). Handle hexagonal screws and
electric opener
(2). Twist screw in the interface like the
attached Picture1.
(3). Place cushion on the designated
2
34
1
location after iron frame is taken away.
S12 Fix chassis
Thread lamp wire into the relevant hole of
chassis like the attached Picture
48
Page 54
Acer Acer –LCD-B&V223HQ
Assembly and Disassembly (continue)
1)Fix chassis on the back of panel and
S13 Fix chass is
Insert FFC
S14
cable
front bezel
2)Put lamp wire and FFC wire in order as
picture
1.Tear off the adhensive tape of FFC
wire;
2.Insert FFC wire into the interface of
panel
3.Put FFC wire in order and paste them
on the panel
4.Fix chassis on the back of panel
430303002130R
HRN LVDS FFC
30P 228mm
W/CORE
S15
Insert light
wire
Insert 4pcs light wire into the relevant
position as picture
49
Page 55
Acer Acer –LCD-B&V223HQ
Assembly and Disassembly (continue)
S16
S17
Assemble
Speaker
Fix back
cover
Put 2pcs speaker into the chassis of right
and left as picture
3
2
1
3
ASSY,BACK,CO
2
Check if back cover is fixed properly
714050020403R
VER,AUO,W/DV
I AUDIO
,LE21M3
1
S18
Assemble
stand
Put the stand into the relevant position
as picture
50
714011203001R
ASSY, STAND,
B173 H
Page 56
Acer Acer –LCD-B&V223HQ
3
Assembly and Disassembly (continue)
S19 Fix stand
S20 Packing
1
4
2
Use 4pcs screw fix stand on the back of
assemble like attached Picture
(1)Release monitor to the packing line
(2)Put monitor into carton like the
attached picture
51
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